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7S 1P advanced 29.4V 7s power wall project 18650 battery pack Li-ion Lithium 18650 battery holder PCB DIY ebike Electric vehicles power

7S 1P advanced:
Weight : 120g
Size : 172*88*12mm
Voltage : 29.4V
Capacity : 3AH

Direction for use
1.Check whether the product is in good condition before use.
2.Put it in the battery and use it when fully charged
Matters needing attention
★The 7S requires a 29.4v charger.
★Do not use it on metal table top, pay attention to insulation and do not short circuit.
★The charging current of each layer is not recommended to exceed 2a, otherwise the battery may generate heat (for example, if there is only one layer, choose 2a charger, and if there are two layers, choose 4a charger).
★Look at the circuit board with the battery orientation,and all the batteries cannot be staggered in the same orientation.
★Don't connect the power supply with the wrong positive and negative, there are signs on the circuit board, pay attention to observation.
★Product single circuit board option, excluding the battery in the photo.
★The list price is the price of a circuit board or a battery .

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